function show_submenu(){
	if(document.all){
		document.all['menu-akt'].style.visibility = 'visible';
	}
	else{
		document.getElementById('menu-akt').style.visibility = 'visible';
	}
}

function show_menuRajd(){
	if(document.all){
		document.all['menu-rajd'].style.visibility = 'visible';
	}
	else{
		document.getElementById('menu-rajd').style.visibility = 'visible';
	}
}
function hide_submenu(){
	if(document.all){
		document.all['menu-akt'].style.visibility = 'hidden';
	}
	else{
		document.getElementById('menu-akt').style.visibility = 'hidden';
	}
}
function hide_menuRajd(){
	if(document.all){
		document.all['menu-rajd'].style.visibility = 'hidden';
	}
	else{
		document.getElementById('menu-rajd').style.visibility = 'hidden';
	}
}